Transaction #11507 · Form 4 · 0001266824-25-000232

WESTERN DIGITAL CORP · Exercise / conversion · Common Stock

WESTERN DIGITAL CORP · Transacted November 19, 2025 · Filed November 21, 2025

Original SEC filing ↗

What does this filing report?

An SEC Form 4 filing for WESTERN DIGITAL CORP records an exercise / conversion involving Common Stock on November 19, 2025. The reported quantity was 16. The filing date is November 21, 2025. This is one transaction record; amounts are not allocated among any joint reporting owners.

The acquisition category describes how securities were received. It does not by itself establish a cash purchase of common stock. Read the transaction code definitionsand the original filing before interpreting the amounts.

Transaction details

Company CIK
0000106040
Security type
Non-derivative
Acquisition type
Exercise / conversion · Code M
Quantity acquired
16
Reported price
0
Reference value
0
Currency
Currency not specified
Ownership
Indirect
Holdings after transaction
40,407
Ownership description
By Family Trust
SEC acceptance time
Nov 21, 2025, 5:57 PM EST
10b5-1 indication
Not indicated

Reference value is reported quantity × reported price. It is not a confirmed cash payment or an estimate of a derivative's economic value. A missing currency is not assumed to be USD.

Reporting owners

These are the reporting owners named in the filing. Quantities and amounts are not allocated among co-reporters. Roles reflect this filing, not a current profile.

Company listings

WDC · Nasdaq · linked security

The linked listing is identified separately from other current company listings.

Filing footnotes & remarks

F1
Represents the grant of restricted stock units to the Reporting Person. Each restricted stock unit represents a contingent right to receive one share of the Issuer's common stock.
F2
The dividend equivalent rights were converted into, and paid in the form of, shares of the Issuer's common stock on a one-for-one basis in connection with the vesting of restricted stock units to which the dividend equivalent rights relate. A cash amount was also paid to the holder to settle a fractional dividend equivalent right.
F3
Includes change in form of beneficial ownership of shares of Issuer's common stock in connection with the Reporting Person's contribution of shares owned outright to the Reporting Person's Family Trust Account and the vesting of the Reporting Person's restricted stock unit award. With respect to the vested restricted stock unit award, the underlying shares were issued directly to the Reporting Person's Family Trust account. Additionally includes 1,984 additional stock units acquired by the Reporting Person in connection with the Issuer's spin-off (the "Spin-Off") of a then-wholly owned subsidiary of the Issuer on February 21, 2025. Pursuant to an Employee Matters Agreement, at the effective time of the Spin-Off, each outstanding Issuer stock unit was adjusted and converted into additional stock units based on the equity conversion ratio of 1.452526 per every Issuer stock unit.

Footnotes are reproduced as plain text from the current source filing. For the full context, read the original SEC filing.

This record was updated Eastern Time. This is the stored record update time, not the transaction date. Report a correction.